/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements.  See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License.  You may obtain a copy of the License at
*
*    http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/

package org.apache.spark.h2o

import javax.servlet.http.HttpServletRequest
import org.apache.spark.SparkContext
import org.apache.spark.h2o.ui.{SparklingWaterListener, SparklingWaterUITab}
import org.apache.spark.ui.{SparkUITab, UIUtils}

import scala.xml.Node


object SparkSpecificUtils extends CrossSparkUtils {
  override def headerSparkPage(request: HttpServletRequest,
                               title: String,
                               content: => Seq[Node],
                               activeTab: SparkUITab,
                               helpText: String): Seq[Node] = {
    UIUtils.headerSparkPage("Sparkling Water", content, activeTab, helpText = Some(helpText))
  }

  override def addSparklingWaterTab(sc: SparkContext): Unit = {
    val sparklingWaterListener = new SparklingWaterListener(sc.conf)
    sc.addSparkListener(sparklingWaterListener)
    new SparklingWaterUITab(sparklingWaterListener, sc.ui.get)
  }
}
